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Inventors

Philip Gengembre Hubert · Engineering_and_Technology · 9 章

目录

BENJAMIN FRANKLIN.ROBERT FULTON.ELIAS HOWE.SAMUEL F.B. MORSE.CHARLES GOODYEAR.CYRUS HALL McCORMICK.THOMAS A. EDISON.C.L. Sholes and the Typewriter.THE FULL PROJECT GUTENBERG™ LICENSE